38 [April 



for this species was taken from specimens so named in the Harrisian 

 Collection at Boston. 



33. 0. vicina. n. sji. 



Mail'. — Head large, as wide as the thorax, green, finely and closely 

 punctured, clothed especially in front with long pale yellowish pubes- 

 cence ; mandibles black, shining, deeply bifid at tip; antenn;© black, 

 nearly as long as the thorax. Thorax bronze-green, closely and finely 

 punctured, rather densely clothed with long yellowish pubescence ; 

 tegulae black, shining. Wings hyaline, apical margins faintly clouded ; 

 nervures pale fuscous. Legs green, clothed with pale pubescence ; 

 tarsi beneath with yellowish pubescence, the apical joints rufous. Abdo- 

 men elongate, rather broader posteriorly, dull bronze-green, closely, 

 finely and eoufluently punctured, clothed above with pale yellowish 

 pubescence, which is long on the basal segments and more dense on 

 the apical margin of the remaining segments, especially the terminal 

 ones ; apical margin of the sixth segment slightly reflexed, obtusely 

 notched in the middle, and entire laterally ; apical segment bidentate ; 

 beneath, the ventral segments are flat and tinged with blue. Length 

 8i lines. 



Ifab. — Virginia. Coll. Entom. Soc. Philadelphia. 



Allied to the preceding, but moi'e elongate, not so robust, and en- 

 tirely of a different color. 



Descriptions of several new species of North American APID.ffi. 



BY E. T. CRESSON. 



Geuus EPEOLUS. Latr. 

 1. Epeolus bifasciatus, n. sp. 



Male. — Black, opaque. Head rather coarsely and confluently punc- 

 tured, clothed about the insertion of the antennae with appressed whit- 

 ish pubescence; antennge short, black, shining, the three basal joints, 

 as well as the labrum and mandibles, rufous. Thorax deeply, roughly 

 and confluently punctured, the punctures much coarser than those of 

 the head ; the tubercles, tegulae and scutellum rufous, the latter hav- 

 ing the lateral teeth prominent and subacute ; anterior margin of the 

 mesothorax rufous and clothed with dense, scale-like, ochraeeous pubes- 



